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Water uptake analysis of acceptor-doped lanthanum orthoniobates |
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| Authors: | Mielewczyk-Gryń Aleksandra Wachowski Sebastian Prześniak-Welenc Marta Dzierzgowski Kacper Regoutz Anna Payne David J Gazda Maria |
| Institution: | 1.Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Narutowicza 11/12, 80-233, Gdańsk, Poland ;2.Department of Materials, Faculty of Engineering, Imperial College London, Exhibition Road, London, SW7 2AZ, UK ; |
| Abstract: | In this work, lanthanum orthoniobates doped with either antimony, calcium, or both have been synthesized and studied. The water uptake of the investigated materials has been analyzed by means of thermogravimetric studies. The results show the difference between the thermodynamics of hydration between the lanthanum orthoniobate system and other proton conducting ceramics. The relation between the water uptake and effective acceptor doping for the investigated system has been found, and the energetics of the water uptake relation are discussed. |
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